Air cell indicator

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9146137
APP PUB NO 20140158573A1
SERIAL NO

13712437

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A fluid tank has a housing that has an upper end wall, a side wall, and a lower end wall that together define a cavity. A flexible diaphragm is connected to the side wall within the cavity and separates the cavity into an upper portion, which is sealed to contain a pressurized gas, and a lower portion, which is sealed to contain a pressurized fluid. An indicator is positioned in the upper wall of the housing and has an indicator arm and a visual indicator. The indicator arm is not visible and the visual indicator is visible with the indicator in a first position and the indicator arm is visible and the visual indicator is not visible with the indicator in a second position.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
AMTROL LICENSING INC1400 DIVISION ROAD WEST WARWICK RI 02893

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Van, Haaren Christopher A Warwick, US 27 210

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